added expr

DT_If.py

@@ -110,45 +110,54 @@
 #   (540) 371-6909
 #
 ############################################################################ 
-__rcs_id__='$Id: DT_If.py,v 1.2 1997/09/08 15:35:40 jim Exp $'
-__version__='$Revision: 1.2 $'[11:-2]
+__rcs_id__='$Id: DT_If.py,v 1.3 1997/09/22 14:42:49 jim Exp $'
+__version__='$Revision: 1.3 $'[11:-2]
 
 from DT_Util import *
 
 class If:
     blockContinuations='else','elif'
     name='if'
     elses=None
+    expr=''
 
     def __init__(self, blocks):
+
 	tname, args, section = blocks[0]
-	args=parse_params(args, name='')
-	name=name_param(args)
-	self.__name__ = name
-	self.sections=[(name, section)]
+	args=parse_params(args, name='', expr='')
+	name,expr=name_param(args,'if',1)
+	self.__name__= name
+	self.sections=[(name, expr, section)]
+
 	if blocks[-1][0]=='else':
 	    tname, args, section = blocks[-1]
 	    blocks=blocks[:-1]
 	    args=parse_params(args, name='')
 	    if args:
-		ename=name_param(args)
+		ename,expr=name_param(args,'else',1)
 		if ename != name:
 		    raise ParseError, 'name in else does not match if'
 	    self.elses=section
 
 	for tname, args, section in blocks[1:]:
 	    if tname=='else':
 		raise ParseError, 'more than one else tag for a single if tag'
-	    name=name_param(args)
-	    self.sections.append((name, section))
+	    args=parse_params(args, name='', expr='')
+	    name,expr=name_param(args,'elif',1)
+	    self.sections.append((name, expr, section))
 
     def render(self,md):
-	for name, section in self.sections:
-	    try: v=md[name]
-	    except: v=None
+	for name, expr, section in self.sections:
+	    if expr is None:
+		try: v=md[name]
+		except: v=None
+	    else:
+		v=expr.eval(md)
+
 	    if v: return section(None,md)
 
 	if self.elses: return self.elses(None, md)
+
 	return ''
 
     __call__=render
@@ -175,6 +184,9 @@ def render(self,md):
 ##########################################################################
 #
 # $Log: DT_If.py,v $
+# Revision 1.3  1997/09/22 14:42:49  jim
+# added expr
+#
 # Revision 1.2  1997/09/08 15:35:40  jim
 # Fixed bug that caused else blocks to render if blocks.
 #

DT_In.py

@@ -212,7 +212,7 @@
       of the module 'Missing', if present.
 '''
 
-__rcs_id__='$Id: DT_In.py,v 1.2 1997/09/02 19:04:24 jim Exp $'
+__rcs_id__='$Id: DT_In.py,v 1.3 1997/09/22 14:42:50 jim Exp $'
 
 ############################################################################
 #     Copyright 
@@ -266,23 +266,24 @@
 #   (540) 371-6909
 #
 ############################################################################ 
-__version__='$Revision: 1.2 $'[11:-2]
+__version__='$Revision: 1.3 $'[11:-2]
 
 from DT_Util import *
 
 class In:
     blockContinuations=('else',)
     name='in'
     elses=None
+    expr=None
 
     def __init__(self, blocks):
 	tname, args, section = blocks[0]
 	args=parse_params(args, name='', start='1',end='-1',size='10',
 			  orphan='3',overlap='1',mapping=1,
-			  previous=1, next=1)
+			  previous=1, next=1, expr='')
 	self.args=args
-	name=name_param(args)
-	self.__name__ = name
+	name,expr=name_param(args,'in',1)
+	self.__name__, expr = name, expr
 	self.section=section
 	if len(blocks) > 1:
 	    if len(blocks) != 2: raise ParseError, 'too many else blocks'
@@ -296,8 +297,11 @@ def __init__(self, blocks):
 
 
     def render(self, md):
-	try: sequence=md[self.__name__] or None
-	except: sequence=None
+	expr=self.expr
+	if expr is None:
+	    try: sequence=md[self.__name__] or None
+	    except: sequence=None
+	else: sequence=expr.eval(md)
 
 	if not sequence:
 	    if self.elses: return self.elses(None, md)
@@ -714,6 +718,9 @@ def previous_batches(self):
 
 ############################################################################
 # $Log: DT_In.py,v $
+# Revision 1.3  1997/09/22 14:42:50  jim
+# added expr
+#
 # Revision 1.2  1997/09/02 19:04:24  jim
 # Got rid of ^Ms
 #

DT_Util.py

@@ -1,4 +1,4 @@
-'''$Id: DT_Util.py,v 1.2 1997/09/02 20:35:09 jim Exp $''' 
+'''$Id: DT_Util.py,v 1.3 1997/09/22 14:42:50 jim Exp $''' 
 
 ############################################################################
 #     Copyright 
@@ -52,13 +52,14 @@
 #   (540) 371-6909
 #
 ############################################################################ 
-__version__='$Revision: 1.2 $'[11:-2]
+__version__='$Revision: 1.3 $'[11:-2]
 
 import sys, regex, string, types, math, os
 from string import rfind, strip, joinfields, atoi,lower,upper,capitalize
 from types import *
 from regsub import gsub, sub, split
 from __builtin__ import *
+import VSEval
 
 ParseError='Document Template Parse Error'
 
@@ -78,13 +79,28 @@ def __init__(self,varnames=('self','REQUEST')):
 	self.co_varnames=varnames
 	self.co_argcount=len(varnames)
 
-def name_param(params):
-    if params.has_key(''):
-	if params.has_key('name'):
-	    raise ParseError, 'Name given twice'
+def _tm(m, tag):
+    return m + tag and (' in %s' % tag)
+
+def name_param(params,tag='',expr=0):
+    used=params.has_key
+    if used(''):
+	if used('name'):
+	    raise ParseError, _tm('Two names were given', tag)
+	if expr:
+	    if used('expr'): raise ParseError, _tm('name and expr given', tag)
+	    return params[''],None
 	return params['']
-    elif params.has_key('name'): return params['name']
-
+    elif used('name'):
+	if expr:
+	    if used('expr'): raise ParseError, _tm('name and expr given', tag)
+	    return params['name'],None
+	return params['name']
+    elif expr and used('expr'):
+	name=params['expr']
+	expr=VSEval.Eval(name, __mul__=VSEval.careful_mul, __getattr__=None)
+	return name, expr
+
     raise ParseError, 'No name given'
 
 def parse_params(text,
@@ -157,6 +173,9 @@ def parse_params(text,
 
 ############################################################################
 # $Log: DT_Util.py,v $
+# Revision 1.3  1997/09/22 14:42:50  jim
+# added expr
+#
 # Revision 1.2  1997/09/02 20:35:09  jim
 # Various fixes to parsing code.
 #

DT_Var.py

@@ -83,7 +83,7 @@
        The parameter 'spacify' may be provided to cause underscores in
        the inserted value to be converted to spaces.
 '''
-__rcs_id__='$Id: DT_Var.py,v 1.1 1997/08/27 18:55:44 jim Exp $'
+__rcs_id__='$Id: DT_Var.py,v 1.2 1997/09/22 14:42:51 jim Exp $'
 
 ############################################################################
 #     Copyright 
@@ -137,33 +137,33 @@
 #   (540) 371-6909
 #
 ############################################################################ 
-__version__='$Revision: 1.1 $'[11:-2]
+__version__='$Revision: 1.2 $'[11:-2]
 
 from DT_Util import *
 
 class Var: 
     name='var'
+    expr=None
 
     def __init__(self, args, fmt=''):
-	args = parse_params(args, name='', lower=1, upper=1,
+	args = parse_params(args, name='', lower=1, upper=1, expr='',
 			    capitalize=1, spacify=1, null='', fmt='s')
 	self.args=args
+	used=args.has_key
 
-	if args.has_key('name'):
-	    name=args
-	    if args.has_key(''):
-		raise ParseError, 'Two named given in var'
-	elif args.has_key(''):
-	    name=args['']
-	else:
-	    raise ParseError, 'No name given in var'
+	name, expr = name_param(args,'var',1)
 
-	self.__name__ = name
+	self.__name__, self.expr = name, expr
 	self.fmt = fmt
 
     def render(self, md):
 	name=self.__name__
-	val = md[name]
+	val=self.expr
+	if val is None:
+	    val = md[name]
+	else:
+	    val=val.eval(md)
+
 	__traceback_info__=name, val
 
 	# handle special formats defined using fmt= first
@@ -243,6 +243,12 @@ def dollars_and_cents_with_commas(v):
     except: v= ''
     return commatify(v)
 
+def len_format(v):
+    return str(len(v))
+
+def len_comma(v):
+    return commatify(str(len(v)))
+
 special_formats={
     'html-quote': html_quote,
     'url-quote': url_quote,
@@ -251,10 +257,15 @@ def dollars_and_cents_with_commas(v):
     'dollars-and-cents': dollars_and_cents,
     'dollars-with-commas': whole_dollars_with_commas,
     'dollars-and-cents-with-commas': dollars_and_cents_with_commas,
+    'collection-length': len_format,
+    'collection-length-with-commas': len_comma,
     }
 
 ############################################################################
 # $Log: DT_Var.py,v $
+# Revision 1.2  1997/09/22 14:42:51  jim
+# added expr
+#
 # Revision 1.1  1997/08/27 18:55:44  jim
 # initial
 #

Setup

@@ -1,6 +1,6 @@
 *shared*
 
-cDocumentTemplate cDocumentTemplate.c -I../ExtensionClass
+cDocumentTemplate cDocumentTemplate.c -I/projects/_/ExtensionClass
 
 # install DT_Dict.py
 # install DT_Doc.py